DE3119444A1 - Verfahren zur stabilisierung des betriebes eines aus tantal oder einer legierung auf tantalbasis bestehenden saeuredigerierkessels - Google Patents

Verfahren zur stabilisierung des betriebes eines aus tantal oder einer legierung auf tantalbasis bestehenden saeuredigerierkessels

Info

Publication number
DE3119444A1
DE3119444A1 DE19813119444 DE3119444A DE3119444A1 DE 3119444 A1 DE3119444 A1 DE 3119444A1 DE 19813119444 DE19813119444 DE 19813119444 DE 3119444 A DE3119444 A DE 3119444A DE 3119444 A1 DE3119444 A1 DE 3119444A1
Authority
DE
Germany
Prior art keywords
acid
added
sulfuric acid
nitric acid
tantalum
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
DE19813119444
Other languages
German (de)
English (en)
Inventor
Toshio Fukuzuka
Fumio Kamikubo
Hitoshi Miyazaki
Ryukichi Mizuno
Katsuyuki Ohtsuka
Hiroshi Satoh
Kazutoshi Shimogori
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Japan Atomic Energy Agency
Original Assignee
Doryokuro Kakunenryo Kaihatsu Jigyodan
Kobe Steel Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Doryokuro Kakunenryo Kaihatsu Jigyodan, Kobe Steel Ltd filed Critical Doryokuro Kakunenryo Kaihatsu Jigyodan
Publication of DE3119444A1 publication Critical patent/DE3119444A1/de
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21F—PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
    • G21F9/00—Treating radioactively contaminated material; Decontamination arrangements therefor
    • G21F9/28—Treating solids
    • G21F9/30—Processing
    • G21F9/32—Processing by incineration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/02—Apparatus characterised by being constructed of material selected for its chemically-resistant properties
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
    • C23F11/00—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent
    • C23F11/04—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in markedly acid liquids
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21F—PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
    • G21F9/00—Treating radioactively contaminated material; Decontamination arrangements therefor
    • G21F9/28—Treating solids
    • G21F9/30—Processing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/02—Apparatus characterised by their chemically-resistant properties
    • B01J2219/025—Apparatus characterised by their chemically-resistant properties characterised by the construction materials of the reactor vessel proper
    • B01J2219/0277—Metal based
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S241/00—Solid material comminution or disintegration
    • Y10S241/38—Solid waste disposal

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • General Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Metallurgy (AREA)
  • Materials Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Preventing Corrosion Or Incrustation Of Metals (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
  • Processing Of Solid Wastes (AREA)
DE19813119444 1980-05-16 1981-05-15 Verfahren zur stabilisierung des betriebes eines aus tantal oder einer legierung auf tantalbasis bestehenden saeuredigerierkessels Granted DE3119444A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55065788A JPS5928879B2 (ja) 1980-05-16 1980-05-16 タンタル製酸消化釜による酸消化処理の運転制御方法

Publications (1)

Publication Number Publication Date
DE3119444A1 true DE3119444A1 (de) 1982-05-13

Family

ID=13297116

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19813119444 Granted DE3119444A1 (de) 1980-05-16 1981-05-15 Verfahren zur stabilisierung des betriebes eines aus tantal oder einer legierung auf tantalbasis bestehenden saeuredigerierkessels

Country Status (6)

Country Link
US (1) US4587098A (enExample)
JP (1) JPS5928879B2 (enExample)
BE (1) BE888830A (enExample)
DE (1) DE3119444A1 (enExample)
FR (1) FR2482763A1 (enExample)
GB (1) GB2084384B (enExample)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997019729A1 (en) * 1995-11-28 1997-06-05 Ici Canada Inc. Method and apparatus for cleaning waste acid
US5885134A (en) * 1996-04-18 1999-03-23 Ebara Corporation Polishing apparatus
US7578983B2 (en) * 2005-06-20 2009-08-25 The University Of North Dakota Automated accelerated extraction of trace elements from biomass
HU3201U (en) * 2006-02-08 2006-12-28 Csokai Viktor Dr Apparatus for recycling of pvc

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2325726A1 (de) * 1973-04-12 1974-12-19 Hoffmann La Roche Verfahren und vorrichtung zur pruefung der auskleidung von reaktionskesseln
GB1418330A (en) * 1972-09-22 1975-12-17 Us Energy Research Dev Adminis Chemical digestion of low level nuclear solid waste material
FR2362661A1 (fr) * 1976-08-28 1978-03-24 Hoechst Ag Utilisation d'une fonte grise dans la fabrication de chaudieres pour de l'acide sulfurique concentre bouillant

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2475969A (en) * 1945-03-22 1949-07-12 Allied Chem & Dye Corp Oxidation of heterocyclic aromatic nitrogen compounds
US2433396A (en) * 1945-04-28 1947-12-30 Standard Oil Co Process for production of sulfonic acids
US2590124A (en) * 1946-06-08 1952-03-25 Clark Bros Co Inc Partial oxidation of hydrocarbons using gaseous sulfur trioxide
US3873362A (en) * 1973-05-29 1975-03-25 Halliburton Co Process for cleaning radioactively contaminated metal surfaces
JPS52122293A (en) * 1976-04-08 1977-10-14 Nippon Shokubai Kagaku Kogyo Co Ltd Catalyst for purifying nox
DE2916203A1 (de) * 1979-04-21 1980-11-06 K E W A Kernbrennstoff Wiedera Verfahren zur behandlung von brennbaren, festen, radioaktiven abfaellen
US4313845A (en) * 1979-11-28 1982-02-02 The United States Of America As Represented By The United States Department Of Energy System for chemically digesting low level radioactive, solid waste material
JPS56133474A (en) * 1980-03-24 1981-10-19 Jgc Corp Apparatus made of tantalum and usable for hot sulfuric acid and preventing method for corrosion and hydrogen embrittlement of said apparatus

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1418330A (en) * 1972-09-22 1975-12-17 Us Energy Research Dev Adminis Chemical digestion of low level nuclear solid waste material
DE2325726A1 (de) * 1973-04-12 1974-12-19 Hoffmann La Roche Verfahren und vorrichtung zur pruefung der auskleidung von reaktionskesseln
FR2362661A1 (fr) * 1976-08-28 1978-03-24 Hoechst Ag Utilisation d'une fonte grise dans la fabrication de chaudieres pour de l'acide sulfurique concentre bouillant

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
GMELIN: Handbuch der anorganischen Chemie, Syst.Nr. 50, Bd.Tantal 1969, Teil A- Lieferung 1, S.271 *
Ind. Eng. Chem. 40, 1948, S.1946-1947 *

Also Published As

Publication number Publication date
JPS5928879B2 (ja) 1984-07-16
FR2482763B1 (enExample) 1985-03-29
FR2482763A1 (fr) 1981-11-20
JPS5761995A (en) 1982-04-14
US4587098A (en) 1986-05-06
BE888830A (fr) 1981-08-28
GB2084384B (en) 1983-11-16
GB2084384A (en) 1982-04-07

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
D2 Grant after examination
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: DORYOKURO KAKUNENRYO KAIHATSU JIGYODAN, TOKIO/TOKY

8327 Change in the person/name/address of the patent owner

Owner name: JAPAN NUCLEAR CYCLE DEVELOPMENT INSTITUTE, TOKAI,